The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 08, 2007
Filed:
May. 27, 2004
Applicants:
Xumu Zhang, State College, PA (US);
Wenjun Tang, State College, PA (US);
Inventors:
Xumu Zhang, State College, PA (US);
Wenjun Tang, State College, PA (US);
Assignee:
The Penn State Research Foundation, University Park, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 69/74 (2006.01); C07C 271/62 (2006.01); C07C 271/00 (2006.01); C07C 205/02 (2006.01); C07C 229/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
Cyclic β-(acylamino)acrylate derivatives were hydrogenated using Ru-chiral phosphine ligand catalysts and thereafter converted to the corresponding cyclic β-aminoacids in high yield and enantioselectivity according to the reaction scheme: